
Shang Mengbi sets an example and gets up early and goes to bed late to handle official duties. There are no Sundays or holidays, but he never says he is tired, and other officials dare not slackew. The masses also dared to complain. Shang Mengbi's decision was fair and quick, and not only punished the offenders, but also educated them. Shang Mengbi was very kind to each other. The people thought he was his parents' official from the bottom of their hearts, and were willing to find him to solve the problem when there were difficulties. A farmer lost his farm tools and suspected that he had been stolen by someone else, begged Shang Mengbi to help him find them. Shang Mengbi first blamed the farmer for "Today's work is booming, why is Hu?" It means that the farm work is busy at present, how can you lose the farm tools? Then he asked him how much the lost farm tools were worth. The farmer said five hundred yuan, and Shang Mengbi paid the farmers out of his own pocket. In less than a year, the lawsuits in the county were settled, no one complained again, no relicts were collected, and the people were at peace.
Shang Mengbi is honest and self-disciplined, has a simple life, and regards himself as a poor man, which makes people respect him. In addition to official duties, he also founded a "moral lecture hall" and insisted on teaching cadres and staff traditional cultures such as , Four Books and Five Classics , and never stopped regardless of cold or heat. He is upright and cautious in making friends, but he recruits talents and wise men, educates the people, educates children in cultural education, and sets up scholarships in schools. At the same time, a large school was launched and took the lead in donating money to build the damaged academy . Other cadres and wealthy businessmen also contributed money and efforts. Half a year later, the new arch was built and painted with colorful paintings, which was very beautiful.

Shang Mengbi is kind to the people and reduces the burden on farmers such as agricultural taxes. Improve the rural environment, reclaim wasteland, and vigorously create beautiful villages. He also often went to the countryside to inspect farming in casual clothes, commended the hard-working people, severely punished the lazy people, greatly improved the enthusiasm of the masses, and their lives were growing higher and higher.
1291, when Shang Mengbi's tenure as the former county magistrate of Wu was about to expire, the supervisory official Yougong passed through Yuanwu County , more than 200 Yuanwu people prayed to Yougong for the court to ask Shang Mengbi to stay in office. Yougong was very moved and agreed to report to the court truthfully. However, because many officials repeatedly recommended Shang Mengbi to the court, by the end of the autumn, Shang Mengbi was promoted to the prefect of Hongdu Prefecture (now Nanchang City, Jiangxi Province). On the day he left Yuanwu, the people cried and blocked the carriages, blocked the roads, and tried hard to keep them. They also built a "Life Temple" for him (a ancestral hall built for virtuous living people) and erected the "Monument of the Yin Shangjun of Yuanwu County to think of", saying that it "benefits the people, but the people regard it as their parents, and they cannot forget it..."